// JavaScript Document

function check_contact() {
	$error = false;
	if (!document.getElementById("name").value) {
		$error = true;	
	}
	if (!document.getElementById("comment").value) {
		$error = true;	
	}
	
	if ($error) {
		alert("You need to provide your name and comment.");	
		return false;
	} else {
		alert("Thanks for your comment.");	
		return true;	
	}
}

function showContent(contentID, atag) {
	//alert (contentID);
	for (i = 1; i <= 14; i++) {
		if (i == contentID) {
			document.getElementById("content" + i).style.display = 'block';	
			document.getElementById("slide" + i).style.display = 'block';
			
		} else {
			document.getElementById("content" + i).style.display = 'none';	
			document.getElementById("slide" + i).style.display = 'none';

		}
	}

	for (i = 1; i <= 13; i++) {
		if (i == atag) {
			document.getElementById("atag" + i).style.color = '#fe0303';
		} else {
			document.getElementById("atag" + i).style.color = '#ffffff';
		}
	}
}